diff --git a/src/app/components/inputnumber/inputnumber.interface.ts b/src/app/components/inputnumber/inputnumber.interface.ts
index 752a42ee4b8..68f44de3f9e 100644
--- a/src/app/components/inputnumber/inputnumber.interface.ts
+++ b/src/app/components/inputnumber/inputnumber.interface.ts
@@ -13,7 +13,7 @@ export interface InputNumberInputEvent {
     /**
      * Input value.
      */
-    value: number | string;
+    value: number | string | null;
     /**
      * Selected option value.
      */